Decoration plate



FIG. 1 is a front elevational view of a decoration plate showing my design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is a perspective view; the broken lines are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a decoration plate, as shown and described. 